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annotate org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet029TreeViewerMultiListProperty.d @ 91:2755ef2c8ef8

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Fix compile for base type changes
author Frank Benoit <benoit@tionex.de>
date Sun, 19 Apr 2009 12:22:47 +0200
parents 6086085e153d
children 5d5bd660917f
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1 /*******************************************************************************
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2 * Copyright (c) 2009 Matthew Hall and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * Matthew Hall - initial API and implementation (bug 175735)
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10 * Matthew Hall - bugs 262407, 260337
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11 ******************************************************************************/
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12
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13 package org.eclipse.jface.examples.databinding.snippets;
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14
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15 import java.beans.PropertyChangeListener;
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16 import java.beans.PropertyChangeSupport;
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17 import java.util.ArrayList;
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18 import java.util.List;
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19
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20 import org.eclipse.core.databinding.beans.BeanProperties;
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21 import org.eclipse.core.databinding.observable.Realm;
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22 import org.eclipse.core.databinding.property.list.IListProperty;
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23 import org.eclipse.core.databinding.property.list.MultiListProperty;
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24 import org.eclipse.jface.databinding.swt.SWTObservables;
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25 import org.eclipse.jface.databinding.viewers.ObservableListTreeContentProvider;
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26 import org.eclipse.jface.databinding.viewers.ObservableMapLabelProvider;
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27 import org.eclipse.jface.viewers.TreeViewer;
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28 import org.eclipse.swt.SWT;
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29 import org.eclipse.swt.graphics.GC;
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30 import org.eclipse.swt.graphics.Image;
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31 import org.eclipse.swt.layout.FillLayout;
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32 import org.eclipse.swt.layout.GridLayout;
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33 import org.eclipse.swt.widgets.Display;
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34 import org.eclipse.swt.widgets.Shell;
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35
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36 /**
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37 * @since 3.2
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38 *
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39 */
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40 public class Snippet029TreeViewerMultiListProperty {
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41 protected Shell shell;
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42 private TreeViewer viewer;
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43
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44 /**
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45 * Launch the application
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46 *
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47 * @param args
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48 */
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49 public static void main(String[] args) {
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50 try {
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51 Snippet029TreeViewerMultiListProperty window = new Snippet029TreeViewerMultiListProperty();
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52 window.open();
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53 } catch (Exception e) {
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54 e.printStackTrace();
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55 }
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56 }
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57
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58 /**
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59 * Open the window
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60 */
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61 public void open() {
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62 final Display display = Display.getDefault();
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63 Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() {
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64 public void run() {
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65 createContents();
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66 shell.open();
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67 shell.layout();
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68 while (!shell.isDisposed()) {
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69 if (!display.readAndDispatch())
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70 display.sleep();
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71 }
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72 }
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73 });
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74 }
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75
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76 protected void createContents() {
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77 shell = new Shell();
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78 shell.setSize(509, 375);
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79 shell.setText("Snippet028DuplexingObservableValue.java");
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80 final GridLayout gridLayout = new GridLayout();
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81 gridLayout.makeColumnsEqualWidth = true;
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82 gridLayout.numColumns = 4;
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83 shell.setLayout(new FillLayout());
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84
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85 viewer = new TreeViewer(shell, SWT.FULL_SELECTION | SWT.MULTI
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86 | SWT.BORDER);
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87
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88 bindUI();
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89 }
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90
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91 // Minimal JavaBeans support
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92 public static abstract class AbstractModelObject {
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93 private PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport(
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94 this);
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95
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96 public void addPropertyChangeListener(PropertyChangeListener listener) {
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97 propertyChangeSupport.addPropertyChangeListener(listener);
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98 }
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99
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100 public void addPropertyChangeListener(String propertyName,
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101 PropertyChangeListener listener) {
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102 propertyChangeSupport.addPropertyChangeListener(propertyName,
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103 listener);
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104 }
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105
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106 public void removePropertyChangeListener(PropertyChangeListener listener) {
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107 propertyChangeSupport.removePropertyChangeListener(listener);
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108 }
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109
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110 public void removePropertyChangeListener(String propertyName,
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111 PropertyChangeListener listener) {
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112 propertyChangeSupport.removePropertyChangeListener(propertyName,
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113 listener);
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114 }
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115
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116 protected void firePropertyChange(String propertyName, Object oldValue,
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117 Object newValue) {
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118 propertyChangeSupport.firePropertyChange(propertyName, oldValue,
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119 newValue);
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120 }
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121 }
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122
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123 public static class Catalog extends AbstractModelObject {
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124 private String name;
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125 private List catalogs = new ArrayList();
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126 private List items = new ArrayList();
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127
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128 public Catalog(String name) {
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129 this.name = name;
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130 }
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131
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132 public String getName() {
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133 return name;
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134 }
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135
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136 public void setName(String name) {
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137 firePropertyChange("name", this.name, this.name = name);
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138 }
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139
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140 public List getCatalogs() {
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141 return catalogs;
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142 }
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143
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144 public void setCatalogs(List catalogs) {
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145 firePropertyChange("catalogs", this.catalogs,
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146 this.catalogs = catalogs);
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147 }
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148
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149 public List getItems() {
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150 return items;
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151 }
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152
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153 public void setItems(List items) {
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154 firePropertyChange("items", this.items, this.items = items);
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155 }
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156 }
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157
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158 public static class CatalogItem extends AbstractModelObject {
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159 private String name;
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160
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161 public CatalogItem(String name) {
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162 this.name = name;
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163 }
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164
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165 public String getName() {
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166 return name;
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167 }
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168
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169 public void setName(String name) {
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170 firePropertyChange("name", this.name, this.name = name);
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171 }
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172 }
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173
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174 private void bindUI() {
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175 List items;
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176
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177 Catalog fruits = new Catalog("Fruits");
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178 items = new ArrayList();
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179 items.add(new CatalogItem("Apple"));
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180 items.add(new CatalogItem("Orange"));
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181 fruits.setCatalogs(items);
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182
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183 Catalog vegetables = new Catalog("Vegetables");
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184 items = new ArrayList();
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185 items.add(new CatalogItem("Peas"));
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186 items.add(new CatalogItem("Carrots"));
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187 items.add(new CatalogItem("Potatoes"));
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188 vegetables.setItems(items);
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189
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190 Catalog foods = new Catalog("Foods");
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191 items = new ArrayList();
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192 items.add(fruits);
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193 items.add(vegetables);
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194 foods.setCatalogs(items);
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195
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196 items = new ArrayList();
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197 items.add(new CatalogItem("Own Hand"));
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198 foods.setItems(items);
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199
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200 Catalog catalog = new Catalog("Main Catalog");
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201 items = new ArrayList();
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202 items.add(foods);
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203 catalog.setCatalogs(items);
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204
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205 IListProperty childrenProperty = new MultiListProperty(
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206 new IListProperty[] { BeanProperties.list("catalogs"),
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207 BeanProperties.list("items") });
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208
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209 ObservableListTreeContentProvider contentProvider = new ObservableListTreeContentProvider(
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210 childrenProperty.listFactory(), null);
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211 viewer.setContentProvider(contentProvider);
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212
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213 ObservableMapLabelProvider labelProvider = new ObservableMapLabelProvider(
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214 BeanProperties.value("name").observeDetail(
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215 contentProvider.getKnownElements())) {
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216 Image catalogImage = createCatalogImage();
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217 Image catalogItemImage = createCatalogItemImage();
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218
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219 public Image getImage(Object element) {
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220 if (element instanceof Catalog)
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221 return catalogImage;
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222 if (element instanceof CatalogItem)
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223 return catalogItemImage;
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224 return super.getImage(element);
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225 }
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226
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227 public void dispose() {
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228 catalogImage.dispose();
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229 catalogItemImage.dispose();
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230 super.dispose();
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231 }
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232
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233 private Image createCatalogImage() {
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234 Display display = Display.getCurrent();
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235 Image catalogImage = new Image(display, 12, 12);
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236 GC gc = new GC(catalogImage);
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237 gc.setBackground(display.getSystemColor(SWT.COLOR_GREEN));
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238 gc.fillArc(1, 1, 10, 10, 0, 360);
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239 gc.dispose();
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240 return catalogImage;
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241 }
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242
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243 private Image createCatalogItemImage() {
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244 Display display = Display.getCurrent();
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245 Image catalogImage = new Image(display, 12, 12);
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246 GC gc = new GC(catalogImage);
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247 gc.setBackground(display.getSystemColor(SWT.COLOR_CYAN));
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248 gc.fillPolygon(new int[] { 1, 10, 5, 1, 6, 1, 10, 10, 1, 10 });
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249 gc.dispose();
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250 return catalogImage;
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251 }
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252 };
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253 viewer.setLabelProvider(labelProvider);
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254
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255 viewer.setInput(catalog);
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256 }
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257 }